Convert each of the following estimates of useful life to a straight-line depreciation rate, stated as a percentage: (a) 4 years, (b) 8 years, (c) 10 years, (d) 16 years, (e) 25 years, (f) 40 years, (g) 50 years.
Answer:
(a) 25% (1/4), (b) 12.5% (1/8), (c) 10% (1/10), (d) 6.25% (1/16), (e) 4% (1/25),
(f) 2.5% (1/40), (g) 2% (1/50)